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Sabuwar ƙarni na alkalening phenic resin
Kayayyaki:
Tsarin ba ya ƙunshi abubuwa masu cutarwa: nitrogen, sulfur, phosphorus, musamman dacewa don samar da simintin ƙarfe na carbon karfe, gami da simintin ƙarfe.
Ana iya warkewa ta biyu a ƙarƙashin yanayin zafin jiki mai kyau kuma yana da kyakkyawan thermoplasticity, wanda zai iya rage fasarar thermal, veins da lahani na simintin gyaran kafa. A lokacin aikin aiki, ba a haifar da wari mai cutarwa da ban haushi ba, kuma yanayin aiki yana inganta sosai.